16778230 has 16 divisors (see below), whose sum is σ = 34515360. Its totient is φ = 5752512.

The previous prime is 16778227. The next prime is 16778231. The reversal of 16778230 is 3287761.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16778231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119775 + ... + 119914.

It is an arithmetic number, because the mean of its divisors is an integer number (2157210).

Almost surely, 2^16778230 is an apocalyptic number.

16778230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16778230 is an abundant number, since it is smaller than the sum of its proper divisors (17737130).

16778230 is a wasteful number, since it uses less digits than its factorization.

16778230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239703.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 16778230 is about 4096.1237774267. The cubic root of 16778230 is about 256.0051573668.

The spelling of 16778230 in words is "sixteen million, seven hundred seventy-eight thousand, two hundred thirty".